Unaudited Quarterly Results Of Operations (Tables)

12 Months Ended

Sep. 30, 2012

Selected Quarterly Financial Information [Abstract]

Quarterly Results Of Operations

	16 Weeks Ended		12 Weeks Ended
Fiscal Year 2012	January 22, 2012		April 15, 2012		July 8, 2012		September 30, 2012
Revenues	$	457,921	$	366,484	$	362,981	$	357,640
Earnings from operations	24,255		37,335		22,086		28,813
Net earnings	11,950		21,632		11,592		12,477
Net earnings per share:
Basic	$	0.27	$	0.49	$	0.26	$	0.28
Diluted	$	0.27	$	0.48	$	0.26	$	0.27
	16 Weeks Ended		12 Weeks Ended
Fiscal Year 2011	January 23, 2011		April 17, 2011		July 10, 2011		October 2, 2011
Revenues	$	518,031	$	383,773	$	393,575	$	366,960
Earnings from operations	55,290		14,595		33,172		42,004
Net earnings	32,401		6,802		18,745		22,652
Net earnings per share:
Basic	$	0.62	$	0.14	$	0.39	$	0.50
Diluted	$	0.61	$	0.13	$	0.38	$	0.49